BtRf-BetaCoV/JL2012 Spike Trimer Protein (R648A, KV949-950PP), His Tag

分子别名（Synonym）

Spike,S protein,Spike glycoprotein,S glycoprotein

表达区间及表达系统（Source）

BtRf-BetaCoV/JL2012 Spike Trimer, His Tag (SPN-S52Hs) is expressed from human 293 cells (HEK293) with T4 fibritin trimerization motif and a polyhistidine tag at the C-terminus. It contains AA Tyr 16 - Pro 1176 (Accession # A0A0U1UYX4-1 (R648A, KV949-950PP)).

Predicted N-terminus: Tyr 16

蛋白结构（Molecular Characterization）

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 133.3 kDa. The protein migrates as 160-190 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素（Endotoxin）

Less than 1.0 EU per μg by the LAL method / rFC method.

纯度（Purity）

>95% as determined by SDS-PAGE.

制剂（Formulation）

Lyophilized from 0.22 μm filtered solution in 0.1 M Sodium citrate, pH5.5 with trehalose as protectant.

Contact us for customized product form or formulation.

重构方法（Reconstitution）

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

存储（Storage）

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:

1. -20°C to -70°C for 12 months in lyophilized state;
2. -70°C for 3 months under sterile conditions after reconstitution.

质量管理控制体系（QMS）

1. 质量管理体系（ISO, GMP）
2. 质量优势
3. 质控流程